<template>
  <div class="login">
    <div class="bg-img">
      <img src="@/assets/images/login-background.jpg" />
    </div>
    <div class="loginBox">
      <div class="top">
        <img src="@/assets/images/banner.png" style="position: relative;top: 30%;">
        <p class="title">应急管理系统</p>
      </div>
      <div class="main">
        <div class="login-title">用户登录</div>
        <div class="login-view">
          <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
            <el-form-item prop="username">
              <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号" clearable>
                <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码" @keyup.enter="handleLogin" clearable show-password>
                <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
              </el-input>
            </el-form-item>
            <el-form-item prop="code" v-if="captchaEnabled">
              <el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter="handleLogin">
                <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode" class="login-code-img" />
              </div>
            </el-form-item>
            <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox>
            <el-form-item style="width: 100%">
              <el-button :loading="loading" size="large" type="primary" style="width: 100%" @click.prevent="handleLogin">
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
              <div style="float: right" v-if="register">
                <router-link class="link-type" :to="'/register'">立即注册</router-link>
              </div>
            </el-form-item>
          </el-form>
        </div>
      </div>
    </div>

    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2024-{{ currentYear }} sjgtw.com All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from '@/api/login'
import Cookies from 'js-cookie'
import { encrypt } from '@/utils/jsencrypt'
import useUserStore from '@/store/modules/user'
import { pwd_check_strong } from '@/utils/validate'
const userStore = useUserStore()
const route = useRoute()
const router = useRouter()
const { proxy } = getCurrentInstance()

const loginForm = ref({
  username: '',
  password: '',
  rememberMe: false,
  code: '',
  uuid: '',
})

const loginRules = {
  username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
  // password: [
  //   { required: true, trigger: 'blur', message: '请输入您的密码' },
  //   {
  //     validator: pwd_check_strong,
  //     trigger: ['blur', 'change'],
  //   },
  // ],
  code: [{ required: true, trigger: 'change', message: '请输入验证码' }],
}

const codeUrl = ref('')
const loading = ref(false)
//底部年份
const currentYear = ref('')
// 验证码开关
const captchaEnabled = ref(true)
// 注册开关
const register = ref(false)
const redirect = ref(undefined)

watch(
  route,
  (newRoute) => {
    redirect.value = newRoute.query && newRoute.query.redirect
  },
  { immediate: true }
)

function getYear() {
  // 获取当前是哪一年啊
  const date = new Date()
  const year = date.getFullYear()
  currentYear.value = year
}

function handleLogin() {
  // return router.push({ path:  '/', })
  proxy.$refs.loginRef.validate((valid) => {
    if (valid) {
      loading.value = true

      let data = {
        username: loginForm.value.username,
        password: loginForm.value.password,
        code: loginForm.value.code,
        uuid: loginForm.value.uuid,
      }
      if (Cookies.get('password') && Cookies.get('password') != 'false') {
        data.password = Cookies.get('password')
      } else {
        data.password = encrypt(loginForm.value.password)
      }

      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set('username', loginForm.value.username, { expires: 30 })
        Cookies.set('password', data.password, { expires: 30 })
        Cookies.set('rememberMe', loginForm.value.rememberMe, { expires: 30 })
      } else {
        // 否则移除
        Cookies.remove('username')
        Cookies.remove('password')
        Cookies.remove('rememberMe')
      }
      // 调用action的登录方法
      //userStore.login(loginForm.value).then(() => {
      userStore
        .login(data)
        .then(() => {
          const query = route.query
          const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
            if (cur !== 'redirect') {
              acc[cur] = query[cur]
            }
            return acc
          }, {})
          router.push({ path: redirect.value || '/', query: otherQueryParams })
        })
        .catch(() => {
          loading.value = false
          // 重新获取验证码
          if (captchaEnabled.value) {
            getCode()
          }
        })
    }
  })
}

function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled
    if (captchaEnabled.value) {
      codeUrl.value = 'data:image/gif;base64,' + res.img
      loginForm.value.uuid = res.uuid
    }
  })
}

function getCookie() {
  const username = Cookies.get('username')
  const password = Cookies.get('password')
  const rememberMe = Cookies.get('rememberMe')
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : password,
    //password: password === undefined ? loginForm.value.password : decrypt(password),
    password: password === undefined ? loginForm.value.password : password,
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
  }
}

getCode()
getCookie()
getYear()
</script>

<style lang="scss" scoped>
.login {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  .bg-img {
    position: fixed;
    height: 100vh;
    img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.5;
    }
  }
  .loginBox {
    z-index: 99;
    width: 800px;
    height: 580px;
    margin: auto;
    background: #fff;
    box-shadow: 0 0 20px #0000001a;
    border-radius: 8px;
    overflow: hidden;
    .top {
      text-align: center;
      width: 355px;
      height: 100%;
      background-size: 100%;
      background: url('../assets/images/bg_inner.png') center;
      float: left;
      .title {
        font-size: 28px;
        color: #fff;
        font-family: Avenir, 'Helvetica Neue', Arial, Helvetica, sans-serif;
        font-weight: 600;
        line-height: 320px;
      }
    }
    .main {
      width: 445px;
      margin: 0 auto;
      float: left;
      display: block;
      position: relative;
      box-sizing: border-box;
      padding-left: 20px;
      padding-right: 20px;
      .login-title {
        text-align: center;
        font-size: 18px;
        color: rgb(29, 33, 41);
        padding: 64px 0;
      }
      :deep(.arco-form-item) {
        flex-wrap: wrap;
        margin-top: 10px;
      }
      .code {
        width: 107px;
        height: 100px;
        cursor: pointer;
        border: 1px solid #ccc;
        box-sizing: border-box;
      }
      .sumbit {
        width: 100%;
      }
    }
  }
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-form-item--default {
    margin-bottom: 28px;
  }
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: rgb(29, 33, 41);
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
